ATA
1. One atmosphere absolute, i.e., the air pressure found at sea level on earth.
2. American Telemedicine Association.
3. American Tinnitus Association.
4. Alliance for Technology Access.

1. One atmosphere absolute, i.e., the air pressure found at sea level on earth.
2. American Telemedicine Association.
3. American Tinnitus Association.
4. Alliance for Technology Access.